. Report on the scientific results of the "Michael Sars" north Atlantic deep-sea expedition 1910, carried out under the auspices of the Norwegian government and the superintendence of Sir John Murray, , and Dr. Johan Hjort .. . linily-depth diagrams for the Thorstations 68 (June 7th, 1906) and 178 (September 2nd, 1906). 100 inetres corresponds to a fall of temperature, when wetake the variations of salinity into account. At 400 metresthe variation is quite negligible. The high values of A Sat depths between 800 and 1500 metres indicate a markedadmixture of water from the Mediterranean at
. Report on the scientific results of the "Michael Sars" north Atlantic deep-sea expedition 1910, carried out under the auspices of the Norwegian government and the superintendence of Sir John Murray, , and Dr. Johan Hjort .. . linily-depth diagrams for the Thorstations 68 (June 7th, 1906) and 178 (September 2nd, 1906). 100 inetres corresponds to a fall of temperature, when wetake the variations of salinity into account. At 400 metresthe variation is quite negligible. The high values of A Sat depths between 800 and 1500 metres indicate a markedadmixture of water from the Mediterranean at the localityin question. The differences from June to Septemberbetween the anomalies at 800—1200 metres may suggestseasonal changes in the amount of Mediterranean we plot out on the temperaturesobserved at various dates, we obtain rather a motleypicture of the seasonal variations, if the observations arelimited to a certain area of the sea, including different 50 BJ0RN HELLAND-HANSEN [rep. of the MICHAEL SARS NORTH THOR r905 1906 1909 • MICHAEL SARS 1910 • FRITHJOF 1910 rTHOR 1910 » DEUTSCHLAND 1911 X ARMAUER HANSEN 1913 4- ■>■> ••■1914 o 5 ••••1922 V CINCO DE OUTUBRO- 1923. 30°30 W. 25 20 15 10- 5 Fig. 11. Chart showing the stations Willi serial observations used by the analysis of the seasonal variations of numbers represent the dates when the observations were made, counted from 1 (January 1st) to 365 (December 31st). ATLANT. DEEP-SEA EXPED. 1910. VOL. IJ PHYSICAL OCEANOGRAPHY AND METEOROLOGY 51 or variable currents. The observations will refer to watermasses with different mean temperatures wliich ;ire notdirectly comparable l)y a study of the seasonal the very same day quite different temperatures maybe observed at the same depth at different stations. Thespreading of the points on the is then toogreat to allow of a somewhat certain construction of acurve representing the seasonal va
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